Retractable leash



FIG. 1 is a top plan view of a retractable leash embodying my new design;

FIG. 2 is an elevational view taken from one side thereof, the opposite side being the same as the side shown;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a perspective view thereof. 

The ornamental design for a retractable leash, as shown and described. 